This research seeks to evaluate the differences in learning outcomesin the environments of Blended Learning and Traditional Learning for English as a second language among secondary level students in West Bengal. With the increasing tendency of learners to solve educational problems using electronic gadgets and access e-materials from anywhere, it is imperative for educational institutions to emphasize Blended Learningwhich combines online and traditional face-to-face teaching methods, shows promise in improving students academic achievements. Three hundred students from five schools under the W. B. B. S. E. were selected randomlyto partake in this study. This research examined the effectiveness of Blended Learning by comparing it with traditional classroom learning, using evaluation scores from two selected lessons. The findings revealed that pass rates were significantly higher in the Blended Learning environment. This research confirms that Blended Learning not only enhances academic performance but also positively influences students motivation, attitude, and self-esteem. The results highlight the necessity of adequate infrastructure to support Blended Learning practices, suggesting that investments in technology and teacher training are crucial for successful implementation. The conclusions drawn from this research provide a basis for future research onBlended Learning at secondary level.